Move Field classes to Rdbms namespace

[mediawiki.git] / resources / lib / jquery.ui / jquery.ui.tooltip.js

/*!
 * jQuery UI Tooltip 1.9.2
 * http://jqueryui.com
 *
 * Copyright 2012 jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/tooltip/
 *
 * Depends:
 *      jquery.ui.core.js
 *      jquery.ui.widget.js
 *      jquery.ui.position.js
 */
(function( $ ) {

var increments = 0;

function addDescribedBy( elem, id ) {
        var describedby = (elem.attr( "aria-describedby" ) || "").split( /\s+/ );
        describedby.push( id );
        elem
                .data( "ui-tooltip-id", id )
                .attr( "aria-describedby", $.trim( describedby.join( " " ) ) );
}

function removeDescribedBy( elem ) {
        var id = elem.data( "ui-tooltip-id" ),
                describedby = (elem.attr( "aria-describedby" ) || "").split( /\s+/ ),
                index = $.inArray( id, describedby );
        if ( index !== -1 ) {
                describedby.splice( index, 1 );
        }

        elem.removeData( "ui-tooltip-id" );
        describedby = $.trim( describedby.join( " " ) );
        if ( describedby ) {
                elem.attr( "aria-describedby", describedby );
        } else {
                elem.removeAttr( "aria-describedby" );
        }
}

$.widget( "ui.tooltip", {
        version: "1.9.2",
        options: {
                content: function() {
                        return $( this ).attr( "title" );
                },
                hide: true,
                // Disabled elements have inconsistent behavior across browsers (#8661)
                items: "[title]:not([disabled])",
                position: {
                        my: "left top+15",
                        at: "left bottom",
                        collision: "flipfit flip"
                },
                show: true,
                tooltipClass: null,
                track: false,

                // callbacks
                close: null,
                open: null
        },

        _create: function() {
                this._on({
                        mouseover: "open",
                        focusin: "open"
                });

                // IDs of generated tooltips, needed for destroy
                this.tooltips = {};
                // IDs of parent tooltips where we removed the title attribute
                this.parents = {};

                if ( this.options.disabled ) {
                        this._disable();
                }
        },

        _setOption: function( key, value ) {
                var that = this;

                if ( key === "disabled" ) {
                        this[ value ? "_disable" : "_enable" ]();
                        this.options[ key ] = value;
                        // disable element style changes
                        return;
                }

                this._super( key, value );

                if ( key === "content" ) {
                        $.each( this.tooltips, function( id, element ) {
                                that._updateContent( element );
                        });
                }
        },

        _disable: function() {
                var that = this;

                // close open tooltips
                $.each( this.tooltips, function( id, element ) {
                        var event = $.Event( "blur" );
                        event.target = event.currentTarget = element[0];
                        that.close( event, true );
                });

                // remove title attributes to prevent native tooltips
                this.element.find( this.options.items ).andSelf().each(function() {
                        var element = $( this );
                        if ( element.is( "[title]" ) ) {
                                element
                                        .data( "ui-tooltip-title", element.attr( "title" ) )
                                        .attr( "title", "" );
                        }
                });
        },

        _enable: function() {
                // restore title attributes
                this.element.find( this.options.items ).andSelf().each(function() {
                        var element = $( this );
                        if ( element.data( "ui-tooltip-title" ) ) {
                                element.attr( "title", element.data( "ui-tooltip-title" ) );
                        }
                });
        },

        open: function( event ) {
                var that = this,
                        target = $( event ? event.target : this.element )
                                // we need closest here due to mouseover bubbling,
                                // but always pointing at the same event target
                                .closest( this.options.items );

                // No element to show a tooltip for or the tooltip is already open
                if ( !target.length || target.data( "ui-tooltip-id" ) ) {
                        return;
                }

                if ( target.attr( "title" ) ) {
                        target.data( "ui-tooltip-title", target.attr( "title" ) );
                }

                target.data( "ui-tooltip-open", true );

                // kill parent tooltips, custom or native, for hover
                if ( event && event.type === "mouseover" ) {
                        target.parents().each(function() {
                                var parent = $( this ),
                                        blurEvent;
                                if ( parent.data( "ui-tooltip-open" ) ) {
                                        blurEvent = $.Event( "blur" );
                                        blurEvent.target = blurEvent.currentTarget = this;
                                        that.close( blurEvent, true );
                                }
                                if ( parent.attr( "title" ) ) {
                                        parent.uniqueId();
                                        that.parents[ this.id ] = {
                                                element: this,
                                                title: parent.attr( "title" )
                                        };
                                        parent.attr( "title", "" );
                                }
                        });
                }

                this._updateContent( target, event );
        },

        _updateContent: function( target, event ) {
                var content,
                        contentOption = this.options.content,
                        that = this,
                        eventType = event ? event.type : null;

                if ( typeof contentOption === "string" ) {
                        return this._open( event, target, contentOption );
                }

                content = contentOption.call( target[0], function( response ) {
                        // ignore async response if tooltip was closed already
                        if ( !target.data( "ui-tooltip-open" ) ) {
                                return;
                        }
                        // IE may instantly serve a cached response for ajax requests
                        // delay this call to _open so the other call to _open runs first
                        that._delay(function() {
                                // jQuery creates a special event for focusin when it doesn't
                                // exist natively. To improve performance, the native event
                                // object is reused and the type is changed. Therefore, we can't
                                // rely on the type being correct after the event finished
                                // bubbling, so we set it back to the previous value. (#8740)
                                if ( event ) {
                                        event.type = eventType;
                                }
                                this._open( event, target, response );
                        });
                });
                if ( content ) {
                        this._open( event, target, content );
                }
        },

        _open: function( event, target, content ) {
                var tooltip, events, delayedShow,
                        positionOption = $.extend( {}, this.options.position );

                if ( !content ) {
                        return;
                }

                // Content can be updated multiple times. If the tooltip already
                // exists, then just update the content and bail.
                tooltip = this._find( target );
                if ( tooltip.length ) {
                        tooltip.find( ".ui-tooltip-content" ).html( content );
                        return;
                }

                // if we have a title, clear it to prevent the native tooltip
                // we have to check first to avoid defining a title if none exists
                // (we don't want to cause an element to start matching [title])
                //
                // We use removeAttr only for key events, to allow IE to export the correct
                // accessible attributes. For mouse events, set to empty string to avoid
                // native tooltip showing up (happens only when removing inside mouseover).
                if ( target.is( "[title]" ) ) {
                        if ( event && event.type === "mouseover" ) {
                                target.attr( "title", "" );
                        } else {
                                target.removeAttr( "title" );
                        }
                }

                tooltip = this._tooltip( target );
                addDescribedBy( target, tooltip.attr( "id" ) );
                tooltip.find( ".ui-tooltip-content" ).html( content );

                function position( event ) {
                        positionOption.of = event;
                        if ( tooltip.is( ":hidden" ) ) {
                                return;
                        }
                        tooltip.position( positionOption );
                }
                if ( this.options.track && event && /^mouse/.test( event.type ) ) {
                        this._on( this.document, {
                                mousemove: position
                        });
                        // trigger once to override element-relative positioning
                        position( event );
                } else {
                        tooltip.position( $.extend({
                                of: target
                        }, this.options.position ) );
                }

                tooltip.hide();

                this._show( tooltip, this.options.show );
                // Handle tracking tooltips that are shown with a delay (#8644). As soon
                // as the tooltip is visible, position the tooltip using the most recent
                // event.
                if ( this.options.show && this.options.show.delay ) {
                        delayedShow = setInterval(function() {
                                if ( tooltip.is( ":visible" ) ) {
                                        position( positionOption.of );
                                        clearInterval( delayedShow );
                                }
                        }, $.fx.interval );
                }

                this._trigger( "open", event, { tooltip: tooltip } );

                events = {
                        keyup: function( event ) {
                                if ( event.keyCode === $.ui.keyCode.ESCAPE ) {
                                        var fakeEvent = $.Event(event);
                                        fakeEvent.currentTarget = target[0];
                                        this.close( fakeEvent, true );
                                }
                        },
                        remove: function() {
                                this._removeTooltip( tooltip );
                        }
                };
                if ( !event || event.type === "mouseover" ) {
                        events.mouseleave = "close";
                }
                if ( !event || event.type === "focusin" ) {
                        events.focusout = "close";
                }
                this._on( true, target, events );
        },

        close: function( event ) {
                var that = this,
                        target = $( event ? event.currentTarget : this.element ),
                        tooltip = this._find( target );

                // disabling closes the tooltip, so we need to track when we're closing
                // to avoid an infinite loop in case the tooltip becomes disabled on close
                if ( this.closing ) {
                        return;
                }

                // only set title if we had one before (see comment in _open())
                if ( target.data( "ui-tooltip-title" ) ) {
                        target.attr( "title", target.data( "ui-tooltip-title" ) );
                }

                removeDescribedBy( target );

                tooltip.stop( true );
                this._hide( tooltip, this.options.hide, function() {
                        that._removeTooltip( $( this ) );
                });

                target.removeData( "ui-tooltip-open" );
                this._off( target, "mouseleave focusout keyup" );
                // Remove 'remove' binding only on delegated targets
                if ( target[0] !== this.element[0] ) {
                        this._off( target, "remove" );
                }
                this._off( this.document, "mousemove" );

                if ( event && event.type === "mouseleave" ) {
                        $.each( this.parents, function( id, parent ) {
                                $( parent.element ).attr( "title", parent.title );
                                delete that.parents[ id ];
                        });
                }

                this.closing = true;
                this._trigger( "close", event, { tooltip: tooltip } );
                this.closing = false;
        },

        _tooltip: function( element ) {
                var id = "ui-tooltip-" + increments++,
                        tooltip = $( "<div>" )
                                .attr({
                                        id: id,
                                        role: "tooltip"
                                })
                                .addClass( "ui-tooltip ui-widget ui-corner-all ui-widget-content " +
                                        ( this.options.tooltipClass || "" ) );
                $( "<div>" )
                        .addClass( "ui-tooltip-content" )
                        .appendTo( tooltip );
                tooltip.appendTo( this.document[0].body );
                if ( $.fn.bgiframe ) {
                        tooltip.bgiframe();
                }
                this.tooltips[ id ] = element;
                return tooltip;
        },

        _find: function( target ) {
                var id = target.data( "ui-tooltip-id" );
                return id ? $( "#" + id ) : $();
        },

        _removeTooltip: function( tooltip ) {
                tooltip.remove();
                delete this.tooltips[ tooltip.attr( "id" ) ];
        },

        _destroy: function() {
                var that = this;

                // close open tooltips
                $.each( this.tooltips, function( id, element ) {
                        // Delegate to close method to handle common cleanup
                        var event = $.Event( "blur" );
                        event.target = event.currentTarget = element[0];
                        that.close( event, true );

                        // Remove immediately; destroying an open tooltip doesn't use the
                        // hide animation
                        $( "#" + id ).remove();

                        // Restore the title
                        if ( element.data( "ui-tooltip-title" ) ) {
                                element.attr( "title", element.data( "ui-tooltip-title" ) );
                                element.removeData( "ui-tooltip-title" );
                        }
                });
        }
});

}( jQuery ) );